Idaho High School Activities Association

The Idaho High School Activities Association (IHSAA) oversees high school athletics and activities in the state of Idaho. Idaho high schools are classified in six categories, based on enrollment, for league competition and state playoffs and championships. The IHSAA recognizes twenty specific sports and activities.^[1]

Idaho High School
Activities Association

Abbreviation	IHSAA
Formation	1925; 100 years ago (1925)
Legal status	Association
Purpose	Athletic / Educational
Headquarters	8011 Ustick Road Boise, Idaho 43.6337°N 116.2826°W / 43.6337; -116.2826
Region served	Idaho
Membership	171 high schools
Official language	English
Executive Director	Chad Williams
Assistant Directors	Julie Hammons Mike Federico
Affiliations	National Federation of State High School Associations
Website	idhsaa.org

Schools primarily compete within their own classification for regular season play, but are allowed to play other schools one classification above or below them in most sports.^[2]

Classifications

IHSAA classifications are based on four-year enrollments (grades 9–12).^[3]
The classifications for the state's 171 high schools for 2024–26 are:^[3]

Classification	Enrollment (gr. 9–12)	Average per class year	Member schools
6A	1400 +	350 +	22
5A	700–1399	175–349	25
4A	350–699	88–174	22
3A	175–349	44–87	28
2A	90–174	23–43	38
1A	0–89	0–22	36
Total			171

Historic classifications

Years	6A	5A	4A	3A	2A	1A
2024–	6A	5A	4A	3A	2A	1A
2008–2024	5A	4A	3A	2A	1A (I)	1A (II)
2001–2008	5A	4A	3A	2A	1A (FB: I, II)
2000–2001	A-1 (I)	A-1 (II)	A-2	A-3	A-4
1984–2000	A-1 (FB: I, II)		A-2	A-3	A-4
1963–1984	A-1		A-2	A-3	A-4
1957–1963	AAA		AA		A
1937–1957	A			B
1917–1937	single classification

Source:^[4]

• A-1 was split into two divisions for football in fall 1984, all sports in fall 2000 ^[5]
• 1A was two divisions for football only; two divisions for volleyball and basketball in fall 2008.

Districts

District map

District	Geographical area
I	North
II	North Central
III	Southwest
IV	South Central
V	Southeast
VI	East

The six districts correspond to those used by the state's transportation department.^[6]

6A Conferences

District I, Inland Empire League (6A) - (North) Coeur d'Alene Vikings Lake City Timberwolves - (Coeur d'Alene) Post Falls Trojans District III, Southern Idaho Conference (6A) - (Southwest) Boise Brave Borah Lions - (Boise) Caldwell Cougars Capital Eagles - (Boise) Centennial Patriots - (Boise, W. Ada S.D.) Eagle Mustangs Kuna Kaveman Meridian Warriors Mountain View Mavericks - (Meridian) Nampa Bulldogs Owyhee Storm - (Meridian) Ridgevue Warhawks - (Nampa in Vallivue S.D.) Rocky Mountain Grizzlies - (Meridian) Timberline Wolves - (Boise) District IV/V/VI, High Country Conference (6A) - (east) Canyon Ridge Riverhawks - (Twin Falls) Highland Rams - (Pocatello) Madison Bobcats - (Rexburg) Rigby Trojans Thunder Ridge Titans - (Idaho Falls)

5A Conferences

District I/II, Inland Empire League (5A) - (North) Lakeland Hawks - (Rathdrum) Lewiston Bengals Moscow Bears Sandpoint Bulldogs District III, Southern Idaho Conference (5A) - (Southwest) Bishop Kelly Knights - (Boise) Columbia Wildcats - (Nampa) Emmett Huskies Middleton Vikings Skyview Hawks - (Nampa) Vallivue Falcons - (Caldwell in Vallivue S.D.) District IV, Great Basin Conference - (South Central) Burley Bobcats Jerome Tigers Minico Spartans - (Rupert) Mountain Home Tigers Twin Falls Bruins Wood River Wolverines - (Hailey) District V, South East Idaho Conference - (Southeast) Century Diamondbacks - (Inkom) Pocatello Thunder Preston Indians District VI, High Country Conference (5A) - (East) Blackfoot Broncos Bonneville Bees - (Idaho Falls) Hillcrest Knights - (Ammon) Idaho Falls Tigers Shelley Russets Skyline Grizzlies - (Idaho Falls)

4A Conferences

District I, Intermountain League - (north) Bonners Ferry Badgers Coeur d' Alene Charter Panthers Timberlake Tigers - (Spirit Lake) District III, Snake River Valley Conference - (southwest) Cole Valley Christian Chargers - (Meridian) Fruitland Grizzlies Homedale Trojans McCall-Donnelly Vandals Payette Pirates Weiser Wolverines District IV, Sawtooth Central Idaho Conference - (south central) Buhl Indians Filer Wildcats Gooding Senators Kimberly Bulldogs District V, South East Idaho Conference - (southeast) American Falls Beavers Bear Lake Bears - (Montpelier, Idaho) Marsh Valley Eagles - (Arimo) Snake River Panthers - (Blackfoot) District VI, Mountain Rivers Conference - (east) South Fremont Cougars - (St. Anthony) Sugar-Salem Diggers Teton Timberwolves - (Driggs)

3A Conferences

District I/II, Central Idaho League - (north central) Grangeville Bulldogs Kellogg Wildcats Orofino Maniacs Priest River Spartans St. Maries Lumberjacks District III, Western Idaho Conference - (southwest) Ambrose Archers - (Meridian) Compass Aviators - (Meridian) Marsing Huskies Melba Mustangs Nampa Christian Trojans New Plymouth Pilgrims North Star Huskies - (Eagle) Parma Panthers Vision Charter Golden Eagles - (Caldwell) District IV/V, South East Idaho Conference - (south central) Aberdeen Tigers Declo Hornets Malad Dragons Soda Springs Cardinals Wendell Trojans West Side Pirates - (Dayton) District VI, Nuclear Conference - (east) Firth Cougars North Fremont Huskies - (Ashton) Ririe Bulldogs Salmon Savages West Jefferson Panthers - (Terreton)

2A Conferences

District I, Scenic Idaho Conference Clark Fork Wampus Cats Genesis Prep Jaguars - (Post Falls) Lakeside Knights - (Plummer) Wallace Miners District II, White Pine League - (north central) Clearwater Valley Rams - (Kooskia) Kamiah Kubs Kendrick Tigers Lapwai Wildcats Logos Knights - (Moscow) Potlatch Loggers Prairie Pirates - (Cottonwood) Troy Trojans District III, Western Idaho Conference - (southwest) Centennial Mustangs - (Caldwell) Gem State Jaguars - (Caldwell) Idaho City Wildcats Liberty Charter Patriots - (Nampa) Notus Pirates Rimrock Raiders - (Grand View) Riverstone International Otters - (Boise) Victory Vipers - (Nampa) Wilder Wildcats - (Wilder) District IV, Snake River Conference - (south central) Community Cutthroat Trout - (Sun Valley) Glenns Ferry Pilots Hagerman Pirates Lighthouse Christian Lions - (Twin Falls) Murtaugh Red Devils Oakley Hornets Raft River Trojans - (Malta) Shoshone Indians Valley Vikings - (Hazelton) Xavier Charter Phoenix - (Twin Falls) District V/VI, High Desert Conference Alturas Prep (Idaho Falls) Butte County Pirates - (Arco) Challis Vikings Challis-Mackay Rivercats Grace Grizzlies

1A Conferences

District I, North Star League - (north) Coeur du Christ Saints - (Coeur d'Alene) Kootenai Warriors Mullan Tigers District II, Whitepine League - (north central) Culdesac Wolves Deary Mustangs Genesee Bulldogs Highland Huskies - (Craigmont) Lewis County Eagles Nezperce Indians St. John Bosco Patriots - (Cottonwood) Timberline Spartans - (Weippe) District III, Long Pin Conference - (southwest) Cascade Ramblers Council Lumberjacks Garden Valley Wolverines Greenleaf Grizzlies Horseshoe Bend Mustangs Meadows Valley Mountaineers - (New Meadows) Salmon River Savages - (Riggins) Tri-Valley Titans - (Cambridge/ Midvale/ Indian Valley) District IV, Sawtooth Conference - (south central) Bliss Bears Camas County Musher Dogs - (Fairfield) Carey Panthers Castleford Wolves Dietrich Blue Devils Hansen Huskies Idaho School for the Deaf and the Blind (IDSB) Raptors Richfield Tigers District V/VI, Rocky Mountain Conference - (central) American Heritage Charter School (Idaho Falls) Clark County Bobcats - (Dubois) Grace Lutheran Royals - (Pocatello) Leadore Mustangs Mackay Miners North Gem Cowboys - (Bancroft) Rockland Bulldogs Sho-Ban Chiefs - (Fort Hall) Taylor's Crossing Charter - (Idaho Falls) Watersprings Warriors - (Idaho Falls, Idaho)

Neighboring states

Washington Interscholastic Activities Association Oregon School Activities Association Nevada Interscholastic Activities Association

Montana High School Association Wyoming High School Activities Association Utah High School Activities Association

See also

• National Federation of State High School Associations (NFHS)